72316606 has 16 divisors (see below), whose sum is σ = 115998480. Its totient is φ = 33692800.

The previous prime is 72316571. The next prime is 72316619. The reversal of 72316606 is 60661327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7096 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (7249905).

Almost surely, 2^72316606 is an apocalyptic number.

72316606 is a deficient number, since it is larger than the sum of its proper divisors (43681874).

72316606 is a wasteful number, since it uses less digits than its factorization.

72316606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21179.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 72316606 is about 8503.9170974322. The cubic root of 72316606 is about 416.6256572617.

The spelling of 72316606 in words is "seventy-two million, three hundred sixteen thousand, six hundred six".